Muhlenbergia expansa
Common Name(s):
- Phonetic Spelling
- mew-len-BERG-gee-uh ek-SPAN-sa
- Description
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Savanna Hairgrass is a warm-season bunchgrass native to coastal regions of the southeastern United States. It is found in bogs, flatwoods, and other wet sites with acidic sandy soil. This plant is grazed by cattle, sheep, and other herbivores. Growth can be controlled by fire.
Use this plant in native coastal gardens in wet to boggy sites.
- See this plant in the following landscape:
- Cultivars / Varieties:
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- Tags:
- Cultivars / Varieties:
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- Tags:
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Attributes:
- Genus:
- Muhlenbergia
- Species:
- expansa
- Family:
- Poaceae
- Life Cycle:
- Perennial
- Country Or Region Of Origin:
- Southeastern U.S.A., Texas
- Distribution:
- AL, FL, GA, KY, LA, MS, NC, SC, TX, VA
- Wildlife Value:
- Seeds are eaten by sparrows and other birds
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Whole Plant Traits:
- Plant Type:
- Native Plant
- Ornamental Grasses and Sedges
- Habit/Form:
- Clumping
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Partial Shade (Direct sunlight only part of the day, 2-6 hours)
- Soil Texture:
- Loam (Silt)
- Sand
- Soil pH:
- Acid (<6.0)
- Soil Drainage:
- Moist
- Occasionally Wet
- NC Region:
- Coastal
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Fruit:
- Fruit Color:
- Pink
- Purple/Lavender
- Display/Harvest Time:
- Fall
- Fruit Type:
- Caryopsis
- Fruit Length:
- < 1 inch
- Fruit Description:
- The seedhead is a diffuse purple panicle. It is delicate and may break apart over winter.
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Flowers:
- Flower Color:
- Pink
- Flower Bloom Time:
- Fall
- Flower Description:
- Flowering and fruiting occurs mainly in September and October. Inflorescence is diffuse, 3-12 inches long with primary branches 1-8 inches, pedicels longer than spikelets.
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Leaves:
- Leaf Color:
- Green
- Leaf Shape:
- Linear
- Leaf Margin:
- Entire
- Hairs Present:
- No
- Leaf Length:
- > 6 inches
- Leaf Width:
- < 1 inch
- Leaf Description:
- The leaf blade is 12 to 14 inches long, narrow, wiry, tough, twists slightly at maturity and margins fold or roll inward. The leaf sheath is rounded, mostly basal and curls into fibrous mass at maturity.
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Stem:
- Stem Is Aromatic:
- No
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Landscape:
- Landscape Location:
- Coastal
- Meadow
- Woodland
- Landscape Theme:
- Butterfly Garden
- Native Garden
- Pollinator Garden
- Rain Garden
- Attracts:
- Butterflies
- Small Mammals
- Songbirds
- Resistance To Challenges:
- Wet Soil